XSS in Emlog
CVE-2026-34229
Emlog is an open source website building system. Prior to version 2.6.8, there is a stored cross-site scripting (XSS) vulnerability in emlog comment module via URI scheme validation bypass. This issue has been patched in version 2.6.8.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (18.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Emlog — versions < 2.6.8
Weakness classification (CWE)
References
- github.com/emlog/emlog/security/advisories/GHSA-74gp-xh6w-hqw6 (Exploit, Vendor Advisory)
- github.com/emlog/emlog/commit/a12ab1b1a273fe634abab32fd28274c18bd57f07 (Patch)
Frequently asked questions
- What is CVE-2026-34229?
- CVE-2026-34229 is a medium-severity vulnerability in Emlog, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-04-03.
- How severe is CVE-2026-34229?
- Medium severity. CVSS v3 base score is 6.1 out of 10.